Double check to make sure the device and charger are properly connected. Verify that the wall outlet in outputting power to the charger. Try moving the charger to different outlets to make sure the charger is not malfunctioning. Check the charger ports and confirm that no debris is in lodged within.

Broken Screen

Check to see if power light is lit up. If light is on, and nothing is displaying on the screen, the problem is most likely the screen, [잘못된 안내서 링크]

Confirm that Memory Stick is functional. You can do this by plugging it into a different working device or your computer.

Loose Connection

If you have already confirmed that your memory stick is not malfunctioning, then the connection may be loose. Try removing and then reinserting the memory card in its proper slot. Check for any sort of debris lodged in the memory card slot; if there are debris, remove it. If memory stick is still not recognized, you may need to replace your memory module. [잘못된 안내서 링크].